[SCSI] mptfusion - fc transport attributes

Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 28 insertions, 5 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 80ec89c505d2..8c26f093fb65 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -148,7 +148,6 @@ static int	WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int      WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int      WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int      GetLanConfigPages(MPT_ADAPTER *ioc);
-static int      GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
 static int      GetIoUnitPage2(MPT_ADAPTER *ioc);
 int             mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 static int      mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
@@ -1244,6 +1243,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
         ioc->pcidev = pdev;
         ioc->diagPending = 0;
         spin_lock_init(&ioc->diagLock);
+        spin_lock_init(&ioc->fc_rescan_work_lock);
+        spin_lock_init(&ioc->fc_rport_lock);
         spin_lock_init(&ioc->initializing_hba_lock);
 
         /* Initialize the event logging.
@@ -1267,6 +1268,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
          */
         INIT_LIST_HEAD(&ioc->configQ);
 
+        /* Initialize the fc rport list head.
+         */
+        INIT_LIST_HEAD(&ioc->fc_rports);
+
         /* Find lookup slot. */
         INIT_LIST_HEAD(&ioc->list);
         ioc->id = mpt_ids++;
@@ -1879,7 +1884,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
                          *  (FCPortPage0_t stuff)
                          */
                         for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
-                                (void) GetFcPortPage0(ioc, ii);
+                                (void) mptbase_GetFcPortPage0(ioc, ii);
                         }
 
                         if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
@@ -4198,7 +4203,7 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
- *      GetFcPortPage0 - Fetch FCPort config Page0.
+ *      mptbase_GetFcPortPage0 - Fetch FCPort config Page0.
  *      @ioc: Pointer to MPT_ADAPTER structure
  *      @portnum: IOC Port number
  *
@@ -4208,8 +4213,8 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
  *              -EAGAIN if no msg frames currently available
  *              -EFAULT for non-successful reply or no reply (timeout)
  */
-static int
-GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
+int
+mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
 {
         ConfigPageHeader_t       hdr;
         CONFIGPARMS              cfg;
@@ -4219,6 +4224,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
         int                      data_sz;
         int                      copy_sz;
         int                      rc;
+        int                      count = 400;
+
 
         /* Get FCPort Page 0 header */
         hdr.PageVersion = 0;
@@ -4242,6 +4249,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
         rc = -ENOMEM;
         ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
         if (ppage0_alloc) {
+
+ try_again:
                 memset((u8 *)ppage0_alloc, 0, data_sz);
                 cfg.physAddr = page0_dma;
                 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
@@ -4273,6 +4282,19 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
                         pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
                         pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
 
+                        /*
+                         * if still doing discovery,
+                         * hang loose a while until finished
+                         */
+                        if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {
+                                if (count-- > 0) {
+                                        msleep_interruptible(100);
+                                        goto try_again;
+                                }
+                                printk(MYIOC_s_INFO_FMT "Firmware discovery not"
+                                                        " complete.\n",
+                                                ioc->name);
+                        }
                 }
 
                 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
@@ -6357,6 +6379,7 @@ EXPORT_SYMBOL(mpt_alloc_fw_memory);
 EXPORT_SYMBOL(mpt_free_fw_memory);
 EXPORT_SYMBOL(mptbase_sas_persist_operation);
 EXPORT_SYMBOL(mpt_alt_ioc_wait);
+EXPORT_SYMBOL(mptbase_GetFcPortPage0);
 
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/